linux-kernel - Re: [PATCH v15 02/11] rust: add dma coherent allocator abstraction.

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Message-Id: <2A60CB2E-E6C2-44C9-85DD-914638CA77BC@collabora.com>
Date: Sat, 22 Mar 2025 19:58:24 -0300
From: Daniel Almeida <daniel.almeida@...labora.com>
To: Andreas Hindborg <a.hindborg@...nel.org>
Cc: Abdiel Janulgue <abdiel.janulgue@...il.com>,
 rust-for-linux@...r.kernel.org,
 dakr@...nel.org,
 robin.murphy@....com,
 aliceryhl@...gle.com,
 Miguel Ojeda <ojeda@...nel.org>,
 Alex Gaynor <alex.gaynor@...il.com>,
 Boqun Feng <boqun.feng@...il.com>,
 Gary Guo <gary@...yguo.net>,
 Björn Roy Baron <bjorn3_gh@...tonmail.com>,
 Benno Lossin <benno.lossin@...ton.me>,
 Trevor Gross <tmgross@...ch.edu>,
 Valentin Obst <kernel@...entinobst.de>,
 linux-kernel@...r.kernel.org,
 Christoph Hellwig <hch@....de>,
 Marek Szyprowski <m.szyprowski@...sung.com>,
 airlied@...hat.com,
 iommu@...ts.linux.dev
Subject: Re: [PATCH v15 02/11] rust: add dma coherent allocator abstraction.

Hi Andreas,

> 
> I think consistent and coherent are used interchangeably in the kernel.
> If so, can we settle on just one of the terms in the rust code?
> 

I’d say let’s keep the `coherent` nomenclature. It immediately shows that dma_alloc_coherent() is being used.

— Daniel